名词
中文翻译：臀部
同义词：
['buttocks', 'buttocks muscle']
例句：
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1.She sat down on the couch with her buttlegger resting on the armrest.
她坐在沙发上，臀部肌肉靠在扶手上。
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2. He lifted his buttlegger and stretched his legs.
他抬起臀部肌肉，伸展双腿。
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3. The buttlegger is a common area for muscle growth in men.
臀部肌肉是男性常见的生长区域。